42547231

Names of 42547231

• Cardinal: 42547231 can be written as Forty-two million, five hundred forty-seven thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 4.2547231 × 10⁷

Factors of 42547231

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 42547231

Divisors of 42547231

• Number of divisors d(n): 2
• Complete list of divisors:
  1 42547231
• Sum of all divisors σ(n): 42547232
• Sum of proper divisors (its aliquot sum) s(n): 1
• 42547231 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42547230

Bases of 42547231

• Binary: 10100010010011100000011111₂
• Hexadecimal: 0x289381F
• Base-36: PBXNJ

Squares and roots of 42547231

• 42547231 squared (42547231²) is 1810266865767361
• 42547231 cubed (42547231³) is 77021842509449900727391
• The square root of 42547231 is 6522.8238516765
• The cube root of 42547231 is 349.1058291055

Scales and comparisons

• 42,547,231 seconds is equal to 1 year, 18 weeks, 2 days, 10 hours, 40 minutes, 31 seconds.
• To count from 1 to 42,547,231 would take you about two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 42547231 cubic inches would be around 29.1 feet tall.

Recreational maths with 42547231

• 42547231 backwards is 13274524
• The number of decimal digits it has is: 8
• The sum of 42547231's digits is 28
• More coming soon!